884 CAIJYOPHYLLACEAE (PINK FAMILY) 



roduced or wanting) a little longer than the calyx ; pods nodding on the stalks, 

 curved upward, nearly or (luite thrice the leiKjth of the calyx. (C. longe perhm- 

 riil'ttum Muhl., as nomen snlniudnm.) — Moist rich soil, "N, S."; and Vt. to 

 Atliabasca, south w. and westw. May- July. 



7. H0L6STEUM [Dill.] L. Jagged Chickweed 



Sepals 5. Petals 5, usually jagged or denticulate at the point. Stamens 3-5, 

 rarely 10. Styles mostly o. Pod ovoid, 1-celled, many-seeded, opening at the 

 top by 6 teeth. Seeds rough, flattened on the back, attached by the inner face. 

 — Annuals or biennials, with several (wiiite) flowers in an umbel borne on a 

 long terminal peduncle. (Name from oXoareov, a word used by Dioscorides for 

 some unknown plant. ) 



1. H. umbellXtum L. Leaves oblong ; peduncle and upper part of the stem 

 glandular-pubescent ; pedicels reflexed after flowering. — Roadsides, fields, etc., 

 N.J. and Pa. to Ga. Apr., May. (Nat. from Eu.) 



8. AGROSTEMMA L. Corn Cockle 



Calyx ovoid, with 10 strong ribs ; the elongated teeth (in ours 2-3 cm. long) 

 exceeding the 5 large unappendaged petals. Stamens 10. Capsule 1-celled. 

 Leaves linear. — Tall silky annual or biennial. (Name from dypos, field, and 

 ar^ixfxa, crown.) 



1. A. GithXgo L. Flowers 2.5-4 cm. in diameter ; petals purplish-red, paler 

 toward the claw and spotted with black. {Lychnis Scop.) — Grainfields, and 

 less frequently by roadsides. (Introd. from Eu. ) — Seeds poisonous. 



9. LYCHNIS [Tourn.] L. Campion 



Styles 5, rarely 4, and pod opening by as many or twice as many teeth ; 

 otherwise nearly as in Sihme. (Ancient Greek name for a scarlet or flame- 

 colored species, from Xuxws, a light or lamp.) 



* Calyx-teeth twisted; petals large ; plant white-woolly. 



1. L. coronXria (L.) Desr. (Mullein Pink.) Stem 4-9 dm. high ; leaves 

 oval or oblong ; petals crimson. — Showy plant, often cultivated antl now locally 

 established. Me. to N. Y. and Mich. (Introd. from Eu.) 



* * Calyx-teeth not twisted; petals showy, much exserted; plant green. 



-1- Flowers perfect. 



2. L. FLOS-ctrcuLi L. (Ragged Robin.) Perennial, erect, slightly downy 

 below, viscid above ; leaves narrowly lanceolate ; flowers in loose j)anicles ; calyx 

 short, glabrous; petals red, 4-lobed, lobes linear. — Moist or mar.shy places, 

 and in waste land, N. B. to N. J. and l^a. — Often cultivated. (Introd. from Eu.) 



3. L. chalcedomca L. (Scarlet Lychnis.) Stout erect perennial with 

 ovate leaves and hemispherical clusters of scarlet flowers; petals bifid. — Culti- 

 vated, and locally escaped in the Northern States. (Introd. from Japan.) 



-«- -»- Flowers dioecious or polygamous. 



4. L. dioica L. (Red C.) Leaves ovate to lance-oblong; flowers red to 

 rarely white, inodorous, diurnal; calyx-teeth triangular-lanceolate, acute; 

 capsule globose with a wide mouth at dehiscence. (L. diurna Sibth.) — Waste 

 grounds and roadsides, common, especially eastw. (Adv. from Eurasia.) 



5. L. ALBA Mill. (White C.) Similiar in foliage; flowers white or pink, 

 fragrant, opening in the evening; calyx-teeth \ot\^qy, attenuate; capsule ovoid- 

 conical, narrow-mouthed at dehiscence. {L. vespertina Sibth.) — Same situ- 

 ations, but less common. (Adv. from Old World.) — Resembles Silene noctiflora 

 but has 5 styles. 



